promenade/charts/etcd/templates/bin/_pre_stop.tpl

49 lines
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#!/bin/sh
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -x
function cleanup_host {
rm -f $MANIFEST_PATH
rm -rf /etcd-etc/tls/
{{- if .Values.etcd.cleanup_data }}
rm -rf /etcd-data/*
{{- end }}
}
# Let the anchor process know it should not try to start the server.
touch /tmp/stopping
{{- if .Values.anchor.enable_cleanup }}
while true; do
if etcdctl member list > /tmp/stop_members; then
if grep $PEER_ENDPOINT /tmp/stop_members; then
# Find and remove the member from the cluster.
MEMBER_ID=$(grep $PEER_ENDPOINT /tmp/stop_members | awk -F ', ' '{ print $1 }')
etcdctl member remove $MEMBER_ID
else
cleanup_host
touch /tmp/stopped
exit 0
fi
else
echo Failed to locate existing cluster
fi
sleep {{ .Values.anchor.period }}
done
{{- end }}
touch /tmp/stopped